Quick stripping device for thermoplastic polyurethane elastomer

Abstract

The utility model discloses a thermoplastic polyurethane elastomer rapid stripping device which comprises a workbench and is characterized in that a conveying assembly is installed on the workbench and comprises a driven gear rotationally connected with the middle of the outer wall of the top of the workbench and an incomplete gear rotationally connected with one side of the outer wall of the top of the workbench. The incomplete gear can be meshed with the driven gear, the number of protruding teeth of the driven gear is three times that of protruding teeth of the incomplete gear, a first motor is fixedly installed on the inner wall of the top of the workbench, the output end of the first motor and a rotating shaft of the incomplete gear are coaxially fixed, and a bearing disc is coaxially fixed to the outer wall of the top of the driven gear. By arranging the conveying assembly, a worker can replace new raw materials in a machining gap, time can be effectively utilized, the purpose of continuous machining can be achieved, and machining efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermoplastic polyurethane elastomer production, in particular to a thermoplastic polyurethane elastomer rapid stripping device. Background Art

[0002] Thermoplastic polyurethane elastomer, also known as thermoplastic polyurethane rubber, abbreviated as TPU, is a (AB)n type block linear polymer. A is a high molecular weight polyester or polyether, B is a diol containing 2-12 straight-chain carbon atoms, and the chemical structure between the AB segments is diisocyanate. In the production process of thermoplastic polyurethane elastomer, it is often necessary to use a stripping device to strip the raw materials.

[0003] After searching, the invention with Chinese patent publication number CN110774322A discloses a thermoplastic polyurethane elastomer quick stripping device, including a workbench, the top outer wall of the workbench is fixed with an electric control slide rail by screws, and the inner wall of the electric control slide rail is slidably connected with a slider, the top outer wall of the slider is fixed with a moving platform by screws, and the top outer wall of the moving platform is provided with a groove.

[0004] After the above device performs a peeling operation, the movable table needs to be pulled to one side to replace and fix new raw materials before continuing to work. The raw materials can only be peeled one by one, which cannot effectively utilize time and is not convenient for improving the peeling efficiency. Utility Model Content

[0005] The utility model aims to provide a thermoplastic polyurethane elastomer quick stripping device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thermoplastic polyurethane elastomer rapid stripping device, comprising a workbench, characterized in that: the workbench is equipped with a transmission component, the transmission component includes a driven gear rotatably connected to the middle of the top outer wall of the workbench, an incomplete gear rotatably connected to one side of the top outer wall of the workbench, the incomplete gear can mesh with the driven gear, and the number of convex teeth of the driven gear is three times the number of convex teeth of the incomplete gear, a motor is fixedly installed on the inner wall of the top of the workbench, the output end of the motor is coaxially fixed to the rotating shaft of the incomplete gear, a receiving plate is coaxially fixed to the outer wall of the top of the driven gear, the receiving plate is provided with three convex plates, and a fixing component is installed on the top of each of the three convex plates.

[0007] The staff can replace new raw materials during processing intervals, which can effectively utilize time and achieve the purpose of continuous processing, which is conducive to improving processing efficiency. By starting the motor 1 at the bottom of the workbench, the motor 1 will drive the incomplete gear to rotate one circle, and the incomplete gear can drive the driven gear and the receiving plate to rotate one-third of a circle, and then the raw material moves to the next workstation. After placing the new raw material, the motor 1 continues to operate, and the raw material moves to the relative position of the stripping component. New raw materials can be placed while the stripping work is in progress. After the work is completed, the motor 1 drives the incomplete gear to rotate one circle again, and the processed raw material is conveyed away, and the new raw material will move to the relative position of the stripping component again, and so on.

[0008] As a further preferred embodiment of the technical solution, a plurality of hydraulic cylinders are fixedly installed on a corner of the outer wall at the top of the workbench, and the same stripping assembly is installed on the top of the plurality of hydraulic cylinders.

[0009] As a further preferred embodiment of the present technical solution, the stripping assembly includes a same mounting plate to which one end of the top outer wall of a plurality of hydraulic cylinders is fixedly connected, a movable plate is placed on the bottom inner wall of the mounting plate, a screw is threadedly connected in the movable plate, one end of the screw is rotatably connected to the inner wall of one side of the mounting plate, a stripping knife is rotatably connected to one end of the movable plate, and the stripping knife is arranged toward one of the fixed components.

[0010] As a further preferred embodiment of the technical solution, a second motor is fixedly mounted on an outer wall of one side of the mounting plate, and an output end of the second motor is coaxially fixed with a screw rod.

[0011] Start motor two, which drives the screw to rotate. The screw can drive the moving plate supported by the mounting plate to approach the raw material, and then the stripping knife can contact the raw material to complete the work. When the stripping knife moves and is no longer above the mounting plate, the stripping knife will flip downward under the action of gravity, and the stripped part on it will slide down along the slope. Finally, driven by motor two, the moving plate and the stripping knife return to their original positions, which is convenient for the next processing.

[0012] As a further preferred embodiment of the technical solution, the fixing component includes an installation frame fixedly connected to the outer wall of the top of the receiving plate convex plate, and the inner walls on both sides of the installation frame are rotatably connected to the same bidirectional screw, and the threads at both ends of the bidirectional screw are respectively threadedly connected to a fixing plate, and the two fixing plates are slidably inserted with multiple limit rods, and the ends of the multiple limit rods are respectively fixedly connected to the inner walls on both sides of the installation frame.

[0013] The two-way screw rod is driven to rotate in the installation frame by the turntable, and the two fixed plates restricted by the two limit rods will be driven by the two-way screw rod to approach each other, and then the raw material will be clamped and fixed by the two fixed plates.

[0014] As a further preferred embodiment of the present technical solution, a plurality of stabilizing plates are fixedly connected to one side of the top outer wall of the movable plate, and the plurality of stabilizing plates can be in contact with the stripping knife.

[0015] As a further preferred embodiment of the technical solution, a collecting box is slidably inserted into a corner of the workbench, and the collecting box is arranged opposite to the stripping assembly.

[0016] The utility model provides a thermoplastic polyurethane elastomer quick stripping device, which has the following beneficial effects:

[0017] (1) The utility model provides a conveying assembly so that the staff can replace new raw materials during the processing interval, which can effectively utilize time, achieve the purpose of continuous processing, and help improve processing efficiency. When the motor 1 at the bottom of the workbench is started, the motor 1 will drive the incomplete gear to rotate one circle, and the incomplete gear can drive the driven gear and the receiving plate to rotate one-third of a circle, and then the raw material moves to the next station. After placing the new raw material, the motor 1 continues to operate, and the raw material moves to the position relative to the stripping assembly. New raw materials can be placed while the stripping work is in progress. After the work is completed, the motor 1 drives the incomplete gear to rotate one circle again, and the processed raw material is conveyed away, and the new raw material will move to the position relative to the stripping assembly again, and the process repeats.

[0018] (2) The utility model sets a stripping component and starts the second motor. The second motor drives the screw to rotate, and the screw can drive the moving plate supported by the mounting plate to approach the raw material. Then the stripping knife can contact the raw material to complete the work. When the stripping knife moves and is no longer above the mounting plate, the stripping knife will flip downward under the action of gravity, and the stripped part on it will slide down along the slope. Finally, the moving plate and the stripping knife will return to their original positions driven by the second motor, so as to facilitate the next processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a partial enlarged structural schematic diagram of the utility model;

[0021] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 For the utility model Figure 1 The enlarged structural diagram at B in the middle;

[0023] In the figure: 1. workbench; 2. collection box; 3. hydraulic cylinder; 4. transmission component; 5. stripping component; 6. fixed component; 401. driven gear; 402. incomplete gear; 403. motor one; 404. receiving plate; 501. mounting plate; 502. moving plate; 503. stripping knife; 504. screw; 505. motor two; 506. stabilizing plate; 601. mounting frame; 602. bidirectional screw; 603. limit rod; 604. fixed plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] The utility model provides a technical solution: Figure 1 and Figure 4 As shown, in this embodiment, a thermoplastic polyurethane elastomer rapid stripping device includes a workbench 1, characterized in that: the workbench 1 is equipped with a transmission component 4, the transmission component 4 includes a driven gear 401 rotatably connected to the middle of the top outer wall of the workbench 1, and an incomplete gear 402 rotatably connected to one side of the top outer wall of the workbench 1, the incomplete gear 402 can mesh with the driven gear 401, and the number of convex teeth of the driven gear 401 is three times the number of convex teeth of the incomplete gear 402, a motor 403 is fixedly installed on the top inner wall of the workbench 1, the output end of the motor 403 and the rotating shaft of the incomplete gear 402 are coaxially fixed, and a receiving plate 404 is coaxially fixed to the top outer wall of the driven gear 401, the receiving plate 404 is provided with three convex plates, and a fixing component 6 is installed on the top of each of the three convex plates.

[0026] Start the motor 403 at the bottom of the workbench 1, and the motor 403 will drive the incomplete gear 402 to rotate one circle, and the incomplete gear 402 can drive the driven gear 401 and the receiving plate 404 to rotate one-third of a circle, and then the raw material moves to the next workstation. After placing new raw materials, the motor 403 continues to operate, and the raw materials move to the relative position of the stripping component 5. New raw materials can be placed while the stripping work is in progress. After the work is completed, the motor 403 drives the incomplete gear 402 to rotate one circle again, and the processed raw materials are transported away, and the new raw materials will move to the relative position of the stripping component 5 again, and so on.

[0027] like Figure 1 and Figure 3 As shown, a plurality of hydraulic cylinders 3 are fixedly installed at a corner of the top outer wall of the workbench 1, and the same stripping assembly 5 is installed on the top of the plurality of hydraulic cylinders 3, so that the stripping knife 503 can be driven to move to any height, thereby ensuring that the device has stronger adaptability.

[0028] The stripping assembly 5 includes a mounting plate 501 to which one end of the top outer wall of a plurality of hydraulic cylinders 3 is fixedly connected, a movable plate 502 is placed on the bottom inner wall of the mounting plate 501, a screw rod 504 is threadedly connected in the movable plate 502, one end of the screw rod 504 is rotatably connected to the inner wall of one side of the mounting plate 501, a stripping knife 503 is rotatably connected at one end of the movable plate 502, and the stripping knife 503 is arranged toward one of the fixed assemblies 6.

[0029] A second motor 505 is fixedly mounted on the outer wall of one side of the mounting plate 501 , and the output end of the second motor 505 is coaxially fixed with the screw rod 504 .

[0030] Start motor 2 505, which drives screw 504 to rotate. Screw 504 can drive moving plate 502 supported by mounting plate 501 to approach raw material, and then stripping knife 503 can contact raw material to complete the work. When stripping knife 503 moves and is no longer above mounting plate 501, stripping knife 503 will flip downward under the action of gravity, and the stripped part on it will slide down along the slope. Finally, driven by motor 2 505, moving plate 502 and stripping knife 503 return to their original positions again, so as to facilitate the next processing.

[0031] like Figure 1 and Figure 4 As shown, the fixing component 6 includes an installation frame 601 fixedly connected to the outer wall of the top convex plate of the receiving plate 404, and the inner walls on both sides of the installation frame 601 are rotatably connected to the same bidirectional screw rod 602, and the threads at both ends of the bidirectional screw rod 602 are respectively threadedly connected to a fixing plate 604, and the two fixing plates 604 are slidably inserted with multiple limit rods 603, and the two ends of the multiple limit rods 603 are respectively fixedly connected to the inner walls on both sides of the installation frame 601.

[0032] The bidirectional screw rod 602 is driven to rotate in the installation frame 601 by the turntable, and the two fixing plates 604 restricted by the two limit rods 603 will be driven by the bidirectional screw rod 602 to approach each other, and then the raw material will be clamped and fixed by the two fixing plates 604.

[0033] like Figure 3 As shown, a plurality of stabilizing plates 506 are fixedly connected to one side of the top outer wall of the movable plate 502. The plurality of stabilizing plates 506 can contact the stripping knife 503 to prevent the stripping knife 503 from turning up before completing the stripping work.

[0034] like Figure 1 As shown, a collecting box 2 is slidably inserted into a corner of the workbench 1 , and the collecting box 2 is arranged opposite to the stripping assembly 5 . The raw materials processed by the stripping knife 503 will be collected in the collecting box 2 .

[0035] The utility model provides a thermoplastic polyurethane elastomer rapid stripping device, and the specific working principle is as follows:

[0036] When the device is working, the raw material to be processed is placed between one of the fixed components 6, and then the two-way screw rod 602 is driven by the turntable to rotate in the installation frame 601, and the two fixed plates 604 restricted by the two limit rods 603 will be driven by the two-way screw rod 602 to approach each other, and then the raw material will be clamped and fixed by the two fixed plates 604, and then the motor 403 at the bottom of the workbench 1 is started, and the motor 403 will drive the incomplete gear 402 to rotate one circle, and the incomplete gear 402 can drive the driven gear 401 and the receiving plate 404 to rotate one-third of a circle, and then the raw material moves to the next workstation. After placing new raw materials, the motor 403 continues to operate, and the raw materials move to the relative position of the stripping component 5, and new raw materials can be placed during the stripping work. After the work is completed, the motor 1 403 drives the incomplete gear 402 to rotate one circle again, the processed raw material is transmitted away, and the new raw material will move to the relative position of the stripping component 5 again, and thus reciprocate. The operating state of the stripping component 5 is to start the motor 2 505, and the motor 2 505 drives the screw 504 to rotate, and the screw 504 can drive the moving plate 502 supported by the mounting plate 501 to approach the raw material, and then the stripping knife 503 can contact the raw material to complete the work. When the stripping knife 503 moves and is no longer above the mounting plate 501, the stripping knife 503 will flip downward under the action of gravity, and the stripped part on it will slide out along the slope, and finally, driven by the motor 2 505, the moving plate 502 and the stripping knife 503 return to their original positions again, which is convenient for the next processing.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thermoplastic polyurethane elastomer rapid stripping device, comprising a workbench (1), characterized in that: The workbench (1) is provided with a transmission assembly (4), the transmission assembly (4) comprising a driven gear (401) rotatably connected to the middle of the top outer wall of the workbench (1), an incomplete gear (402) rotatably connected to one side of the top outer wall of the workbench (1), the incomplete gear (402) being able to mesh with the driven gear (401), and the number of convex teeth of the driven gear (401) is three times the number of convex teeth of the incomplete gear (402), a motor 1 (403) is fixedly installed on the top inner wall of the workbench (1), the output end of the motor 1 (403) and the rotating shaft of the incomplete gear (402) are coaxially fixed, and a receiving plate (404) is coaxially fixed to the top outer wall of the driven gear (401), the receiving plate (404) is provided with three convex plates, and a fixing assembly (6) is installed on the top of each of the three convex plates.

2. A thermoplastic polyurethane elastomer rapid stripping device according to claim 1, characterized in that: A plurality of hydraulic cylinders (3) are fixedly mounted on a corner of the top outer wall of the workbench (1), and a same stripping assembly (5) is mounted on the top of the plurality of hydraulic cylinders (3).

3. A thermoplastic polyurethane elastomer rapid stripping device according to claim 2, characterized in that: The stripping assembly (5) comprises a mounting plate (501) to which one end of the top outer wall of a plurality of hydraulic cylinders (3) is fixedly connected; a movable plate (502) is placed on the inner wall of the bottom of the mounting plate (501); a screw rod (504) is threadedly connected to the movable plate (502); one end of the screw rod (504) is rotatably connected to the inner wall of one side of the mounting plate (501); one end of the movable plate (502) is rotatably connected to a stripping knife (503); and the stripping knife (503) is arranged toward one of the fixed assemblies (6).

4. A thermoplastic polyurethane elastomer rapid stripping device according to claim 3, characterized in that: A second motor (505) is fixedly mounted on the outer wall of one side of the mounting plate (501), and the output end of the second motor (505) and the screw rod (504) are coaxially fixed.

5. The thermoplastic polyurethane elastomer quick stripping device according to claim 1, characterized in that: The fixing assembly (6) comprises a mounting frame (601) fixedly connected to the outer wall of the top of the convex plate of the receiving plate (404); the inner walls on both sides of the mounting frame (601) are rotatably connected to the same bidirectional screw rod (602); the threads at both ends of the bidirectional screw rod (602) are respectively threadedly connected to a fixing plate (604); the two fixing plates (604) are slidably plugged with a plurality of limit rods (603); the ends of the plurality of limit rods (603) are respectively fixedly connected to the inner walls on both sides of the mounting frame (601).

6. A thermoplastic polyurethane elastomer rapid stripping device according to claim 3, characterized in that: A plurality of stabilizing plates (506) are fixedly connected to one side of the top outer wall of the movable plate (502), and the plurality of stabilizing plates (506) are capable of contacting the stripping knife (503).

7. A thermoplastic polyurethane elastomer rapid stripping device according to claim 2, characterized in that: A collecting box (2) is slidably inserted into a corner of the workbench (1), and the collecting box (2) is arranged opposite to the stripping assembly (5).

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